191 search results - page 14 / 39 » Online Aggregation over Trees |
WWW
2005
ACM
14 years 8 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
DEBS
2009
ACM
13 years 8 months ago
2009
ACM
Recently, decentralized publish-subscribe (pub-sub) systems have gained popularity as a scalable asynchronous messaging paradigm over wide-area networks. Most existing pub-sub sys...
SSD
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
ICONFERENCE
2012
12 years 3 months ago
2012
When people use visualizations of conversational archives, they typically reflect on particular events, rather than patterns of activity over time. We explore whether this is a fu...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
The CONTROL project at U.C. Berkeley has developed technologies to provide online behavior for data-intensive applications. Using new query processing algorithms, these technologi...